Best Nec Electrical Code Tools Apps

8000+ exam-style questions20 NEC calculatorsQuick reference guide

Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.

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NEC Electrical Exam by Dakota

NEC Practice Test Questions

Over 3000 exam questionsAI tutor for step-by-step helpPractice specific exam topics

Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.

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Quick access to NEC informationDesigned for electrical engineersUseful for electricians

A NEC® Quick Reference

by Alan Cave

$1.99

Access frequently needed National Electrical Code information on your phone. This reference tool is designed for electrical engineers and electricians needing quick access to code details, whether in the office or on a job site.

🔍 Reference

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paid

Electrical Calc Elite

NEC Code Calculator

$19.99

This app serves as a comprehensive NEC code calculator for electrical professionals. It helps electricians, contractors, and inspectors quickly and accurately solve common electrical calculations based on National Electric Codes, with support for multiple code versions and in-app purchases for updates.

NEC Code CalculationsWire SizingVoltage Drop

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Master Electrician Ref. Lite

A handbook for electricians

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

Electrical circuit colors

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

📊 Productivity

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MasterElec - NEC Code Guide

Electrical Voice Assistant

Effective NEC Study Tools

Extensive question bank (2,500+)In-depth explanations for answersProgress analytics and performance tracking

Prepare for your electrical code certification with a comprehensive study tool. Access over 2,500 practice questions with detailed explanations and track your progress. Create custom tests to focus on challenging topics and ensure you're studying the most current code standards.

NEC Electrician Exam Prep 2026

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subscription

Journeyman Electrician Prep

Over 1,200 practice questionsTopic-specific focusVersatile testing modes

Prepare for your Journeyman Electrician certification exams with a comprehensive mobile study tool. Practice over 1,200 questions across various electrical topics, including definitions, calculations, and equipment. Boost your confidence and readiness for the official test.

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NEC Electrical Exam Prep 2026

Journeyman & Master Exam Prep

Structured course for Journeyman and Master exams2,000+ exam-style practice questionsAI tutor for NEC concepts

Prepare for your Journeyman and Master Electrician exams with a comprehensive study app. It offers structured lessons, over 2,000 practice questions, and an AI tutor to help you master complex NEC code and electrical theory. Track your progress and study offline.

🔍 Reference

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#1 AI Tool for Skilled Trades

Code Buddy

AI-powered code queryingReal-time translationUp-to-date code libraries (NEC, OSHA, ANSI)

This AI-powered tool helps skilled tradesmen quickly find and understand electrical codes and requirements. It offers real-time translation and up-to-date references for various standards, assisting with compliance and efficiency on the job.

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freemium

NEC Box & Conduit Calc

NEC Box & Conduit Fill

Box fill calculationsConduit fill calculationsWire volume data

Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.

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Electric Toolkit - Calculator

Electrical Wiring Diagrams

$5.99

This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

3-way switch wiring diagramsCeiling fan wiring diagramsGFCI wiring diagrams

Electrical Wiring Pro 2017

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free

Calcs, Refs - Electrical Pros